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Figure 3 | Arthritis Research & Therapy

Figure 3

From: Acute-phase serum amyloid A production by rheumatoid arthritis synovial tissue

Figure 3

Immunohistological analysis of RA synovial membrane. Serial tissuesections were stained with (a) antibody to A-SAA, (b) anti-CD68and (c) IgG. A-SAA-positive cells are seen in the surface of the lininglayer and in the perivascular areas. Some vascular endothelial cells are weaklypositive (a). CD68-positive cells are seen throughout the lining layerand in the perivascular areas of the sublining layer. Vascular endothelialcells are negative (b). No staining was observed in the control sections(c).

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